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25/30 long engine, had a light knock, had the sump pulled by an engine builder who said the main and big end bearings were ok, crank was measured and found to be fine, stuck a camera down the spark plug holes and said nothing looks to have been hitting in there, would need to be stripped down completely to find exactly what was/is wrong and i dont want to put that much money into an engine im never using again.



head was reconditioned when the engine was built

RB30 S2 block

R33 RB25 head, VCT retained with external oil supply mod.

R33 RB25 mounts with NISMO engine mounts

performance valve springs

86.5mm arias pistons with OEM nissan rings 9.3:1 CR

grub screwed and extended oil pump drive on crank

ARP head and main studs

precision H beam rods with ARP bolts

ASR 6.5L extended and gated sump with extra -10 drains welded on

N1 oil pump

standard 26 water pump

stock cams

stock cam gears

stock valves

sub 5000km old genuine nissan flywheel/crank bolts (can include stock flywheel if you want)

cometic metal head gasket.

block modified for aftermarket exhaust manifold clearance and a head drain/breather on the exhaust side.

has relocated tensioner to above water pump (from memory is running twin tensioners instead of an idler and a tensioner)

does not include a balancer

have receipts for most parts


$3500

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